<span><span> </span></span>
<span>600+320 000 - 20 000=320 600-20 000=300 600
</span><span>150 000-100 000 +9 000=50 000 +9000=59 000
</span><span>37000-30 000 +400 000=7000+400 000=407 000
5900 000 +300-9000 000=5 900 300-9 000 000 =</span><span>-84099700</span>
-6+24:(-3)=-6+(-8)=-6-8=-14